[MIRROR] Holo para refund fix [MDB IGNORE] (#23823)

* Holo para refund fix (#78431)

## About The Pull Request
Holoparasite injector can be refunded if its been used, this is because
the uplink_reimburse element is not removed from it when its used. Added
some signal code to it so that this is fixed.

## Why It's Good For The Game
Fixes a bug.

## Changelog

Fixes a bug allowing holopara injectors to be refundable when used.

🆑
fix: Fixes a bug allowing holopara injectors to be refundable when used.
/🆑

* Holo para refund fix

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Co-authored-by: Coconutwarrior97 <40315842+Coconutwarrior97@users.noreply.github.com>

code/modules/mob/living/simple_animal/guardian/guardian_creator.dm

@@ -87,9 +87,10 @@ GLOBAL_LIST_INIT(guardian_radial_images, setup_guardian_radial())
 	if(LAZYLEN(candidates))
 		var/mob/dead/observer/candidate = pick(candidates)
 		spawn_guardian(user, candidate, guardian_path)
+		used = TRUE
+		SEND_SIGNAL(src, COMSIG_TRAITOR_ITEM_USED(type))
 	else
 		to_chat(user, failure_message)
-		used = FALSE
 
 /obj/item/guardiancreator/proc/spawn_guardian(mob/living/user, mob/dead/candidate, guardian_path)
 	if(QDELETED(user) || user.stat == DEAD)